The correct is answer is A: The main idea of your essay
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The most credible source in terms of researching the effects of smoking is letter b, research article in a scientific journal. It is because a credible source means that it is valid or could be relied on in which the research article is, because it has been researched and holds validity of which contains proof. Other choices does not correspond to the question for they don't hold any validity or proof in the topic that could be reliable.
The correct plural form of echo is echos or echoes. Either way it is grammarly correct. I believe that echoes is the correct form.
echoes
What does America mean to you?
Is it just the red white and blue?
Are the stories really true?
Just between me and you
I believe America is the best anyone could do!
Explanation:
pls write the last line I'll tell you the answer
